Nutrients and their absorption center

1. Carbohydrates: Simplesugarsr are absorbed into the small intestine into the portal blood system and then into the liver in the form of glucose.
2. Fat: Is absorbed through the intestinal membrane in the form of fatty acids and monoglycerides. A few diglycerides and triglycerides are also absorbed. The synthesis of triglycerides takes place in the ER of the intestinal wall. Here, Fatty acids are simultaneously absorbed.
3. Protein: Absorption takes place in the small intestine. Amino acids pass into the portal blood and then to the liver.
4. Minerals: Vitamin D promotes the absorption of both Ca and P.
5. Vitamins: Are readily absorbed from the digestive tract into the small intestine.